@npmcli/run-script is a utility package designed for robust execution of npm scripts. It manages lifecycle events, environment variable setup, and cross-platform compatibility when running commands defined in a package.json file. This package handles tasks like setting the NODE_ENV, managing PATH environment variables, and gracefully handling errors, providing a consistent and reliable way to execute npm scripts within Node.js environments. It abstracts away the complexities of cross-platform scripting, ensuring scripts behave predictably across different operating systems.